diff options
Diffstat (limited to 'ANDROID_3.4.5/fs/cifs/dir.c')
-rw-r--r-- | ANDROID_3.4.5/fs/cifs/dir.c | 758 |
1 files changed, 0 insertions, 758 deletions
diff --git a/ANDROID_3.4.5/fs/cifs/dir.c b/ANDROID_3.4.5/fs/cifs/dir.c deleted file mode 100644 index ec4e9a2a..00000000 --- a/ANDROID_3.4.5/fs/cifs/dir.c +++ /dev/null @@ -1,758 +0,0 @@ -/* - * fs/cifs/dir.c - * - * vfs operations that deal with dentries - * - * Copyright (C) International Business Machines Corp., 2002,2009 - * Author(s): Steve French (sfrench@us.ibm.com) - * - * This library is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published - * by the Free Software Foundation; either version 2.1 of the License, or - * (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <linux/fs.h> -#include <linux/stat.h> -#include <linux/slab.h> -#include <linux/namei.h> -#include <linux/mount.h> -#include <linux/file.h> -#include "cifsfs.h" -#include "cifspdu.h" -#include "cifsglob.h" -#include "cifsproto.h" -#include "cifs_debug.h" -#include "cifs_fs_sb.h" - -static void -renew_parental_timestamps(struct dentry *direntry) -{ - /* BB check if there is a way to get the kernel to do this or if we - really need this */ - do { - direntry->d_time = jiffies; - direntry = direntry->d_parent; - } while (!IS_ROOT(direntry)); -} - -/* Note: caller must free return buffer */ -char * -build_path_from_dentry(struct dentry *direntry) -{ - struct dentry *temp; - int namelen; - int dfsplen; - char *full_path; - char dirsep; - struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb); - struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb); - unsigned seq; - - dirsep = CIFS_DIR_SEP(cifs_sb); - if (tcon->Flags & SMB_SHARE_IS_IN_DFS) - dfsplen = strnlen(tcon->treeName, MAX_TREE_SIZE + 1); - else - dfsplen = 0; -cifs_bp_rename_retry: - namelen = dfsplen; - seq = read_seqbegin(&rename_lock); - rcu_read_lock(); - for (temp = direntry; !IS_ROOT(temp);) { - namelen += (1 + temp->d_name.len); - temp = temp->d_parent; - if (temp == NULL) { - cERROR(1, "corrupt dentry"); - rcu_read_unlock(); - return NULL; - } - } - rcu_read_unlock(); - - full_path = kmalloc(namelen+1, GFP_KERNEL); - if (full_path == NULL) - return full_path; - full_path[namelen] = 0; /* trailing null */ - rcu_read_lock(); - for (temp = direntry; !IS_ROOT(temp);) { - spin_lock(&temp->d_lock); - namelen -= 1 + temp->d_name.len; - if (namelen < 0) { - spin_unlock(&temp->d_lock); - break; - } else { - full_path[namelen] = dirsep; - strncpy(full_path + namelen + 1, temp->d_name.name, - temp->d_name.len); - cFYI(0, "name: %s", full_path + namelen); - } - spin_unlock(&temp->d_lock); - temp = temp->d_parent; - if (temp == NULL) { - cERROR(1, "corrupt dentry"); - rcu_read_unlock(); - kfree(full_path); - return NULL; - } - } - rcu_read_unlock(); - if (namelen != dfsplen || read_seqretry(&rename_lock, seq)) { - cFYI(1, "did not end path lookup where expected. namelen=%d " - "dfsplen=%d", namelen, dfsplen); - /* presumably this is only possible if racing with a rename - of one of the parent directories (we can not lock the dentries - above us to prevent this, but retrying should be harmless) */ - kfree(full_path); - goto cifs_bp_rename_retry; - } - /* DIR_SEP already set for byte 0 / vs \ but not for - subsequent slashes in prepath which currently must - be entered the right way - not sure if there is an alternative - since the '\' is a valid posix character so we can not switch - those safely to '/' if any are found in the middle of the prepath */ - /* BB test paths to Windows with '/' in the midst of prepath */ - - if (dfsplen) { - strncpy(full_path, tcon->treeName, dfsplen); - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS) { - int i; - for (i = 0; i < dfsplen; i++) { - if (full_path[i] == '\\') - full_path[i] = '/'; - } - } - } - return full_path; -} - -/* Inode operations in similar order to how they appear in Linux file fs.h */ - -int -cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode, - struct nameidata *nd) -{ - int rc = -ENOENT; - int xid; - int create_options = CREATE_NOT_DIR; - __u32 oplock = 0; - int oflags; - /* - * BB below access is probably too much for mknod to request - * but we have to do query and setpathinfo so requesting - * less could fail (unless we want to request getatr and setatr - * permissions (only). At least for POSIX we do not have to - * request so much. - */ - int desiredAccess = GENERIC_READ | GENERIC_WRITE; - __u16 fileHandle; - struct cifs_sb_info *cifs_sb; - struct tcon_link *tlink; - struct cifs_tcon *tcon; - char *full_path = NULL; - FILE_ALL_INFO *buf = NULL; - struct inode *newinode = NULL; - int disposition = FILE_OVERWRITE_IF; - - xid = GetXid(); - - cifs_sb = CIFS_SB(inode->i_sb); - tlink = cifs_sb_tlink(cifs_sb); - if (IS_ERR(tlink)) { - FreeXid(xid); - return PTR_ERR(tlink); - } - tcon = tlink_tcon(tlink); - - if (tcon->ses->server->oplocks) - oplock = REQ_OPLOCK; - - if (nd) - oflags = nd->intent.open.file->f_flags; - else - oflags = O_RDONLY | O_CREAT; - - full_path = build_path_from_dentry(direntry); - if (full_path == NULL) { - rc = -ENOMEM; - goto cifs_create_out; - } - - if (tcon->unix_ext && (tcon->ses->capabilities & CAP_UNIX) && - (CIFS_UNIX_POSIX_PATH_OPS_CAP & - le64_to_cpu(tcon->fsUnixInfo.Capability))) { - rc = cifs_posix_open(full_path, &newinode, - inode->i_sb, mode, oflags, &oplock, &fileHandle, xid); - /* EIO could indicate that (posix open) operation is not - supported, despite what server claimed in capability - negotiation. EREMOTE indicates DFS junction, which is not - handled in posix open */ - - if (rc == 0) { - if (newinode == NULL) /* query inode info */ - goto cifs_create_get_file_info; - else /* success, no need to query */ - goto cifs_create_set_dentry; - } else if ((rc != -EIO) && (rc != -EREMOTE) && - (rc != -EOPNOTSUPP) && (rc != -EINVAL)) - goto cifs_create_out; - /* else fallthrough to retry, using older open call, this is - case where server does not support this SMB level, and - falsely claims capability (also get here for DFS case - which should be rare for path not covered on files) */ - } - - if (nd) { - /* if the file is going to stay open, then we - need to set the desired access properly */ - desiredAccess = 0; - if (OPEN_FMODE(oflags) & FMODE_READ) - desiredAccess |= GENERIC_READ; /* is this too little? */ - if (OPEN_FMODE(oflags) & FMODE_WRITE) - desiredAccess |= GENERIC_WRITE; - - if ((oflags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL)) - disposition = FILE_CREATE; - else if ((oflags & (O_CREAT | O_TRUNC)) == (O_CREAT | O_TRUNC)) - disposition = FILE_OVERWRITE_IF; - else if ((oflags & O_CREAT) == O_CREAT) - disposition = FILE_OPEN_IF; - else - cFYI(1, "Create flag not set in create function"); - } - - /* BB add processing to set equivalent of mode - e.g. via CreateX with - ACLs */ - - buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL); - if (buf == NULL) { - rc = -ENOMEM; - goto cifs_create_out; - } - - /* - * if we're not using unix extensions, see if we need to set - * ATTR_READONLY on the create call - */ - if (!tcon->unix_ext && (mode & S_IWUGO) == 0) - create_options |= CREATE_OPTION_READONLY; - - if (backup_cred(cifs_sb)) - create_options |= CREATE_OPEN_BACKUP_INTENT; - - if (tcon->ses->capabilities & CAP_NT_SMBS) - rc = CIFSSMBOpen(xid, tcon, full_path, disposition, - desiredAccess, create_options, - &fileHandle, &oplock, buf, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); - else - rc = -EIO; /* no NT SMB support fall into legacy open below */ - - if (rc == -EIO) { - /* old server, retry the open legacy style */ - rc = SMBLegacyOpen(xid, tcon, full_path, disposition, - desiredAccess, create_options, - &fileHandle, &oplock, buf, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); - } - if (rc) { - cFYI(1, "cifs_create returned 0x%x", rc); - goto cifs_create_out; - } - - /* If Open reported that we actually created a file - then we now have to set the mode if possible */ - if ((tcon->unix_ext) && (oplock & CIFS_CREATE_ACTION)) { - struct cifs_unix_set_info_args args = { - .mode = mode, - .ctime = NO_CHANGE_64, - .atime = NO_CHANGE_64, - .mtime = NO_CHANGE_64, - .device = 0, - }; - - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) { - args.uid = (__u64) current_fsuid(); - if (inode->i_mode & S_ISGID) - args.gid = (__u64) inode->i_gid; - else - args.gid = (__u64) current_fsgid(); - } else { - args.uid = NO_CHANGE_64; - args.gid = NO_CHANGE_64; - } - CIFSSMBUnixSetFileInfo(xid, tcon, &args, fileHandle, - current->tgid); - } else { - /* BB implement mode setting via Windows security - descriptors e.g. */ - /* CIFSSMBWinSetPerms(xid,tcon,path,mode,-1,-1,nls);*/ - - /* Could set r/o dos attribute if mode & 0222 == 0 */ - } - -cifs_create_get_file_info: - /* server might mask mode so we have to query for it */ - if (tcon->unix_ext) - rc = cifs_get_inode_info_unix(&newinode, full_path, - inode->i_sb, xid); - else { - rc = cifs_get_inode_info(&newinode, full_path, buf, - inode->i_sb, xid, &fileHandle); - if (newinode) { - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM) - newinode->i_mode = mode; - if ((oplock & CIFS_CREATE_ACTION) && - (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID)) { - newinode->i_uid = current_fsuid(); - if (inode->i_mode & S_ISGID) - newinode->i_gid = inode->i_gid; - else - newinode->i_gid = current_fsgid(); - } - } - } - -cifs_create_set_dentry: - if (rc == 0) - d_instantiate(direntry, newinode); - else - cFYI(1, "Create worked, get_inode_info failed rc = %d", rc); - - if (newinode && nd) { - struct cifsFileInfo *pfile_info; - struct file *filp; - - filp = lookup_instantiate_filp(nd, direntry, generic_file_open); - if (IS_ERR(filp)) { - rc = PTR_ERR(filp); - CIFSSMBClose(xid, tcon, fileHandle); - goto cifs_create_out; - } - - pfile_info = cifs_new_fileinfo(fileHandle, filp, tlink, oplock); - if (pfile_info == NULL) { - fput(filp); - CIFSSMBClose(xid, tcon, fileHandle); - rc = -ENOMEM; - } - } else { - CIFSSMBClose(xid, tcon, fileHandle); - } - -cifs_create_out: - kfree(buf); - kfree(full_path); - cifs_put_tlink(tlink); - FreeXid(xid); - return rc; -} - -int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode, - dev_t device_number) -{ - int rc = -EPERM; - int xid; - int create_options = CREATE_NOT_DIR | CREATE_OPTION_SPECIAL; - struct cifs_sb_info *cifs_sb; - struct tcon_link *tlink; - struct cifs_tcon *pTcon; - struct cifs_io_parms io_parms; - char *full_path = NULL; - struct inode *newinode = NULL; - int oplock = 0; - u16 fileHandle; - FILE_ALL_INFO *buf = NULL; - unsigned int bytes_written; - struct win_dev *pdev; - - if (!old_valid_dev(device_number)) - return -EINVAL; - - cifs_sb = CIFS_SB(inode->i_sb); - tlink = cifs_sb_tlink(cifs_sb); - if (IS_ERR(tlink)) - return PTR_ERR(tlink); - - pTcon = tlink_tcon(tlink); - - xid = GetXid(); - - full_path = build_path_from_dentry(direntry); - if (full_path == NULL) { - rc = -ENOMEM; - goto mknod_out; - } - - if (pTcon->unix_ext) { - struct cifs_unix_set_info_args args = { - .mode = mode & ~current_umask(), - .ctime = NO_CHANGE_64, - .atime = NO_CHANGE_64, - .mtime = NO_CHANGE_64, - .device = device_number, - }; - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) { - args.uid = (__u64) current_fsuid(); - args.gid = (__u64) current_fsgid(); - } else { - args.uid = NO_CHANGE_64; - args.gid = NO_CHANGE_64; - } - rc = CIFSSMBUnixSetPathInfo(xid, pTcon, full_path, &args, - cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & - CIFS_MOUNT_MAP_SPECIAL_CHR); - if (rc) - goto mknod_out; - - rc = cifs_get_inode_info_unix(&newinode, full_path, - inode->i_sb, xid); - - if (rc == 0) - d_instantiate(direntry, newinode); - goto mknod_out; - } - - if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)) - goto mknod_out; - - - cFYI(1, "sfu compat create special file"); - - buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL); - if (buf == NULL) { - kfree(full_path); - rc = -ENOMEM; - FreeXid(xid); - return rc; - } - - if (backup_cred(cifs_sb)) - create_options |= CREATE_OPEN_BACKUP_INTENT; - - rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_CREATE, - GENERIC_WRITE, create_options, - &fileHandle, &oplock, buf, cifs_sb->local_nls, - cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); - if (rc) - goto mknod_out; - - /* BB Do not bother to decode buf since no local inode yet to put - * timestamps in, but we can reuse it safely */ - - pdev = (struct win_dev *)buf; - io_parms.netfid = fileHandle; - io_parms.pid = current->tgid; - io_parms.tcon = pTcon; - io_parms.offset = 0; - io_parms.length = sizeof(struct win_dev); - if (S_ISCHR(mode)) { - memcpy(pdev->type, "IntxCHR", 8); - pdev->major = - cpu_to_le64(MAJOR(device_number)); - pdev->minor = - cpu_to_le64(MINOR(device_number)); - rc = CIFSSMBWrite(xid, &io_parms, - &bytes_written, (char *)pdev, - NULL, 0); - } else if (S_ISBLK(mode)) { - memcpy(pdev->type, "IntxBLK", 8); - pdev->major = - cpu_to_le64(MAJOR(device_number)); - pdev->minor = - cpu_to_le64(MINOR(device_number)); - rc = CIFSSMBWrite(xid, &io_parms, - &bytes_written, (char *)pdev, - NULL, 0); - } /* else if (S_ISFIFO) */ - CIFSSMBClose(xid, pTcon, fileHandle); - d_drop(direntry); - - /* FIXME: add code here to set EAs */ - -mknod_out: - kfree(full_path); - kfree(buf); - FreeXid(xid); - cifs_put_tlink(tlink); - return rc; -} - -struct dentry * -cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, - struct nameidata *nd) -{ - int xid; - int rc = 0; /* to get around spurious gcc warning, set to zero here */ - __u32 oplock; - __u16 fileHandle = 0; - bool posix_open = false; - struct cifs_sb_info *cifs_sb; - struct tcon_link *tlink; - struct cifs_tcon *pTcon; - struct cifsFileInfo *cfile; - struct inode *newInode = NULL; - char *full_path = NULL; - struct file *filp; - - xid = GetXid(); - - cFYI(1, "parent inode = 0x%p name is: %s and dentry = 0x%p", - parent_dir_inode, direntry->d_name.name, direntry); - - /* check whether path exists */ - - cifs_sb = CIFS_SB(parent_dir_inode->i_sb); - tlink = cifs_sb_tlink(cifs_sb); - if (IS_ERR(tlink)) { - FreeXid(xid); - return (struct dentry *)tlink; - } - pTcon = tlink_tcon(tlink); - - oplock = pTcon->ses->server->oplocks ? REQ_OPLOCK : 0; - - /* - * Don't allow the separator character in a path component. - * The VFS will not allow "/", but "\" is allowed by posix. - */ - if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS)) { - int i; - for (i = 0; i < direntry->d_name.len; i++) - if (direntry->d_name.name[i] == '\\') { - cFYI(1, "Invalid file name"); - rc = -EINVAL; - goto lookup_out; - } - } - - /* - * O_EXCL: optimize away the lookup, but don't hash the dentry. Let - * the VFS handle the create. - */ - if (nd && (nd->flags & LOOKUP_EXCL)) { - d_instantiate(direntry, NULL); - rc = 0; - goto lookup_out; - } - - /* can not grab the rename sem here since it would - deadlock in the cases (beginning of sys_rename itself) - in which we already have the sb rename sem */ - full_path = build_path_from_dentry(direntry); - if (full_path == NULL) { - rc = -ENOMEM; - goto lookup_out; - } - - if (direntry->d_inode != NULL) { - cFYI(1, "non-NULL inode in lookup"); - } else { - cFYI(1, "NULL inode in lookup"); - } - cFYI(1, "Full path: %s inode = 0x%p", full_path, direntry->d_inode); - - /* Posix open is only called (at lookup time) for file create now. - * For opens (rather than creates), because we do not know if it - * is a file or directory yet, and current Samba no longer allows - * us to do posix open on dirs, we could end up wasting an open call - * on what turns out to be a dir. For file opens, we wait to call posix - * open till cifs_open. It could be added here (lookup) in the future - * but the performance tradeoff of the extra network request when EISDIR - * or EACCES is returned would have to be weighed against the 50% - * reduction in network traffic in the other paths. - */ - if (pTcon->unix_ext) { - if (nd && !(nd->flags & LOOKUP_DIRECTORY) && - (nd->flags & LOOKUP_OPEN) && !pTcon->broken_posix_open && - (nd->intent.open.file->f_flags & O_CREAT)) { - rc = cifs_posix_open(full_path, &newInode, - parent_dir_inode->i_sb, - nd->intent.open.create_mode, - nd->intent.open.file->f_flags, &oplock, - &fileHandle, xid); - /* - * The check below works around a bug in POSIX - * open in samba versions 3.3.1 and earlier where - * open could incorrectly fail with invalid parameter. - * If either that or op not supported returned, follow - * the normal lookup. - */ - switch (rc) { - case 0: - /* - * The server may allow us to open things like - * FIFOs, but the client isn't set up to deal - * with that. If it's not a regular file, just - * close it and proceed as if it were a normal - * lookup. - */ - if (newInode && !S_ISREG(newInode->i_mode)) { - CIFSSMBClose(xid, pTcon, fileHandle); - break; - } - case -ENOENT: - posix_open = true; - case -EOPNOTSUPP: - break; - default: - pTcon->broken_posix_open = true; - } - } - if (!posix_open) - rc = cifs_get_inode_info_unix(&newInode, full_path, - parent_dir_inode->i_sb, xid); - } else - rc = cifs_get_inode_info(&newInode, full_path, NULL, - parent_dir_inode->i_sb, xid, NULL); - - if ((rc == 0) && (newInode != NULL)) { - d_add(direntry, newInode); - if (posix_open) { - filp = lookup_instantiate_filp(nd, direntry, - generic_file_open); - if (IS_ERR(filp)) { - rc = PTR_ERR(filp); - CIFSSMBClose(xid, pTcon, fileHandle); - goto lookup_out; - } - - cfile = cifs_new_fileinfo(fileHandle, filp, tlink, - oplock); - if (cfile == NULL) { - fput(filp); - CIFSSMBClose(xid, pTcon, fileHandle); - rc = -ENOMEM; - goto lookup_out; - } - } - /* since paths are not looked up by component - the parent - directories are presumed to be good here */ - renew_parental_timestamps(direntry); - - } else if (rc == -ENOENT) { - rc = 0; - direntry->d_time = jiffies; - d_add(direntry, NULL); - /* if it was once a directory (but how can we tell?) we could do - shrink_dcache_parent(direntry); */ - } else if (rc != -EACCES) { - cERROR(1, "Unexpected lookup error %d", rc); - /* We special case check for Access Denied - since that - is a common return code */ - } - -lookup_out: - kfree(full_path); - cifs_put_tlink(tlink); - FreeXid(xid); - return ERR_PTR(rc); -} - -static int -cifs_d_revalidate(struct dentry *direntry, struct nameidata *nd) -{ - if (nd && (nd->flags & LOOKUP_RCU)) - return -ECHILD; - - if (direntry->d_inode) { - if (cifs_revalidate_dentry(direntry)) - return 0; - else { - /* - * If the inode wasn't known to be a dfs entry when - * the dentry was instantiated, such as when created - * via ->readdir(), it needs to be set now since the - * attributes will have been updated by - * cifs_revalidate_dentry(). - */ - if (IS_AUTOMOUNT(direntry->d_inode) && - !(direntry->d_flags & DCACHE_NEED_AUTOMOUNT)) { - spin_lock(&direntry->d_lock); - direntry->d_flags |= DCACHE_NEED_AUTOMOUNT; - spin_unlock(&direntry->d_lock); - } - - return 1; - } - } - - /* - * This may be nfsd (or something), anyway, we can't see the - * intent of this. So, since this can be for creation, drop it. - */ - if (!nd) - return 0; - - /* - * Drop the negative dentry, in order to make sure to use the - * case sensitive name which is specified by user if this is - * for creation. - */ - if (nd->flags & (LOOKUP_CREATE | LOOKUP_RENAME_TARGET)) - return 0; - - if (time_after(jiffies, direntry->d_time + HZ) || !lookupCacheEnabled) - return 0; - - return 1; -} - -/* static int cifs_d_delete(struct dentry *direntry) -{ - int rc = 0; - - cFYI(1, "In cifs d_delete, name = %s", direntry->d_name.name); - - return rc; -} */ - -const struct dentry_operations cifs_dentry_ops = { - .d_revalidate = cifs_d_revalidate, - .d_automount = cifs_dfs_d_automount, -/* d_delete: cifs_d_delete, */ /* not needed except for debugging */ -}; - -static int cifs_ci_hash(const struct dentry *dentry, const struct inode *inode, - struct qstr *q) -{ - struct nls_table *codepage = CIFS_SB(dentry->d_sb)->local_nls; - unsigned long hash; - int i; - - hash = init_name_hash(); - for (i = 0; i < q->len; i++) - hash = partial_name_hash(nls_tolower(codepage, q->name[i]), - hash); - q->hash = end_name_hash(hash); - - return 0; -} - -static int cifs_ci_compare(const struct dentry *parent, - const struct inode *pinode, - const struct dentry *dentry, const struct inode *inode, - unsigned int len, const char *str, const struct qstr *name) -{ - struct nls_table *codepage = CIFS_SB(pinode->i_sb)->local_nls; - - if ((name->len == len) && - (nls_strnicmp(codepage, name->name, str, len) == 0)) - return 0; - return 1; -} - -const struct dentry_operations cifs_ci_dentry_ops = { - .d_revalidate = cifs_d_revalidate, - .d_hash = cifs_ci_hash, - .d_compare = cifs_ci_compare, - .d_automount = cifs_dfs_d_automount, -}; |